ˈləmbə(r), -ˌbär, -ˌbȧ(r adjective
Etymology: New Latin lumbaris, from Latin lumbus loin + -aris -ar
1. : of, relating to, or near the loins or the group of vertebrae lying between the thoracic vertebrae and the sacrum
2. : of, relating to, or indicating the region of the abdomen lying on either side of the umbilical region and above the corresponding inguinal — see abdominal region illustration